[igt-dev] [PATCH i-g-t 2/8] lib/tests: Unit tests for dynamic subtests

[Petri Latvala <petri.latvala@intel.com>]

Signed-off-by: Petri Latvala <petri.latvala@intel.com>
---
 lib/tests/igt_dynamic_subtests.c | 186 +++++++++++++++++++++++++++++++
 lib/tests/meson.build            |   1 +
 2 files changed, 187 insertions(+)
 create mode 100644 lib/tests/igt_dynamic_subtests.c

diff --git a/lib/tests/igt_dynamic_subtests.c b/lib/tests/igt_dynamic_subtests.c
new file mode 100644
index 00000000..82d80a77
--- /dev/null
+++ b/lib/tests/igt_dynamic_subtests.c
@@ -0,0 +1,186 @@
+/*
+ * Copyright © 2019 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <errno.h>
+#include <sys/wait.h>
+
+#include "igt_core.h"
+#include "drmtest.h"
+
+#include "igt_tests_common.h"
+
+static int do_fork(void (*test_to_run)(void))
+{
+	int pid, status;
+
+	switch (pid = fork()) {
+	case -1:
+		internal_assert(0);
+	case 0:
+		test_to_run();
+	default:
+		while (waitpid(pid, &status, 0) == -1 &&
+		       errno == EINTR)
+			;
+
+		return status;
+	}
+}
+
+static void dynamic_subtest_in_normal_subtest(void)
+{
+	char prog[] = "igt_no_exit";
+	char *fake_argv[] = {prog};
+	int fake_argc = ARRAY_SIZE(fake_argv);
+
+	igt_subtest_init(fake_argc, fake_argv);
+
+	igt_subtest("normal-subtest") {
+		igt_dynamic_subsubtest("dynamic") {
+			igt_info("Dynamic subtest in normal subtest\n");
+		}
+	}
+
+	igt_exit();
+}
+
+static void invalid_dynamic_subtest_name(void)
+{
+	char prog[] = "igt_no_exit";
+	char *fake_argv[] = {prog};
+	int fake_argc = ARRAY_SIZE(fake_argv);
+
+	igt_subtest_init(fake_argc, fake_argv);
+
+	igt_subtest_with_dynamic_subsubtests("subtest") {
+		igt_dynamic_subsubtest("# invalid name !") {
+			igt_info("Invalid dynamic subtest name test\n");
+		}
+	}
+
+	igt_exit();
+}
+
+static void dynamic_subtest_in_toplevel(void)
+{
+	char prog[] = "igt_no_exit";
+	char *fake_argv[] = {prog};
+	int fake_argc = ARRAY_SIZE(fake_argv);
+
+	igt_subtest_init(fake_argc, fake_argv);
+
+	igt_dynamic_subsubtest("dynamic-subtest-in-toplevel") {
+		igt_info("Dynamic subtests need to be in a subtest\n");
+	}
+
+	igt_exit();
+}
+
+static void subtest_itself_failing(void)
+{
+	char prog[] = "igt_no_exit";
+	char *fake_argv[] = {prog};
+	int fake_argc = ARRAY_SIZE(fake_argv);
+
+	igt_subtest_init(fake_argc, fake_argv);
+
+	igt_subtest_with_dynamic_subsubtests("subtest") {
+		igt_assert(false);
+	}
+
+	igt_exit();
+}
+
+static void subtest_itself_skipping(void)
+{
+	char prog[] = "igt_no_exit";
+	char *fake_argv[] = {prog};
+	int fake_argc = ARRAY_SIZE(fake_argv);
+
+	igt_subtest_init(fake_argc, fake_argv);
+
+	igt_subtest_with_dynamic_subsubtests("subtest") {
+		igt_skip("Skipping\n");
+	}
+
+	igt_exit();
+}
+
+static void dynamic_subtest_failure_leads_to_fail(void)
+{
+	char prog[] = "igt_no_exit";
+	char *fake_argv[] = {prog};
+	int fake_argc = ARRAY_SIZE(fake_argv);
+
+	igt_subtest_init(fake_argc, fake_argv);
+
+	igt_subtest_with_dynamic_subsubtests("subtest") {
+		igt_dynamic_subsubtest("dynamic") {
+			igt_assert(false);
+		}
+	}
+
+	igt_exit();
+}
+
+static void no_dynamic_subtests_entered_leads_to_skip(void)
+{
+	char prog[] = "igt_no_exit";
+	char *fake_argv[] = {prog};
+	int fake_argc = ARRAY_SIZE(fake_argv);
+
+	igt_subtest_init(fake_argc, fake_argv);
+
+	igt_subtest_with_dynamic_subsubtests("subtest") {
+	}
+
+	igt_exit();
+}
+
+int main(int argc, char **argv)
+{
+	int ret;
+
+	ret = do_fork(dynamic_subtest_in_normal_subtest);
+	internal_assert_wsignaled(ret, SIGABRT);
+
+	ret = do_fork(invalid_dynamic_subtest_name);
+	internal_assert_wsignaled(ret, SIGABRT);
+
+	ret = do_fork(dynamic_subtest_in_toplevel);
+	internal_assert_wsignaled(ret, SIGABRT);
+
+	ret = do_fork(subtest_itself_failing);
+	internal_assert_wsignaled(ret, SIGABRT);
+
+	ret = do_fork(subtest_itself_skipping);
+	internal_assert_wexited(ret, IGT_EXIT_SKIP);
+
+	ret = do_fork(dynamic_subtest_failure_leads_to_fail);
+	internal_assert_wexited(ret, IGT_EXIT_FAILURE);
+
+	ret = do_fork(no_dynamic_subtests_entered_leads_to_skip);
+	internal_assert_wexited(ret, IGT_EXIT_SKIP);
+
+	return 0;
+}
diff --git a/lib/tests/meson.build b/lib/tests/meson.build
index 0c35da30..e5066665 100644
--- a/lib/tests/meson.build
+++ b/lib/tests/meson.build
@@ -4,6 +4,7 @@ lib_tests = [
 	'igt_can_fail_simple',
 	'igt_conflicting_args',
 	'igt_describe',
+	'igt_dynamic_subtests',
 	'igt_edid',
 	'igt_exit_handler',
 	'igt_fork',
-- 
2.19.1

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